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Full text of "Metallurgy Of Cast Iron"

6l8                                    INDEX.
Specific Gravity—                                                                PAGE.
Difference between gray and white  iron..............219
Remelting iron greatly increasing its..................340
Of the two ends of vertical poured castings..........378-381
Expansion of iron equalizing..........................381
Test of solid iron floating in molten metal............ 386
-Stretching Iron—
Percentage in  tensile tests............................ 220
Causing castings to be larger than their patterns. 422, 428-429 The utility of in permitting the manufacture  of  castings   ............................................422, 430
Description  of  appliances   used   for   testing........... 423
Period of cooling from a solidified state affecting. .426-429
Degrees in temperature best affecting..............426, 429
Demonstrations of, in heavy founding..............428-429
Expansion of large cores and their rods causing......  429
Slow and uniform cooling assisting stretching and saving castings from cracking.......................... 430
Standardized Drillings-Origin   and   inception   of   plan   to   establish   a   central
agency to distribute standardized drillings........182, 183
Method  of moulding and pouring  casting  for  making
standardized  drillings  for  testing................184, 186
Method   of   turning   and   mixing   turnings   to   obtain
standardized   drillings    ..........................186, 188
Designation of samples and price....................187-188
The labor attending the introduction of standards. .188, 190 Names of some firms using standardized drillings. .190, 191 Testimonials, in praise of excellence and utility of.. 192, 193
Sulphur—
Whether exposure of coke to weather reduces.........    11
Percentage of, which coke contains...................21-22
Scarcity of good water in making coke increasing......    22
Evils of fuels containing high......................22,  225
An approximate quick test for sulphur in fuel..........    22
Percentage of,  in pyrites  and methods  for  reducing it
in  ores............................................    28ures of. .194., 205, 258, 497 Evil  practice of  foundrymen  relying upon  furnacemen to tell them what they should use.................... 197.............142, 143244